With the recent launch of the WWE Network, the company's DVD/Blu-Ray sales will begin to suffer massively. Why buy a new one when it'll potentially by ready to stream within a few weeks? What they need to do to keep this side of the business booming is to focus on some exclusive content which we as fans will want to see immediately. The CM Punk documentary worked in this way because the build to its eventual sale was great. We knew the detail Punk was going into and, after such great documentaries on Jericho and Edge, we knew the WWE promo-directors would pull it off. What we got was a controversial DVD which justified the price. WWE needs to keep producing documentaries because, essentially, they're getting so good at them. Obviously, they could look at some more career retrospectives but more controversial content could be addressed. Also, there needs to be a guarantee that the content won't find its way onto the Network for a minimum of six months because, again, why bother shelling out for the Network and a new DVD? So, here are 10 DVD Documentaries WWE Must Make...